revolution

Crop improvement by deliberate attempt to cross two parents of desirable characters to incorporate such characters in next generations is called breeding. The entire process of pollination, fertilization and regeneration is kept under control and selected parents are allowed to reproduce only with ..

Until the early years of the nineteenth century, only the plants and animals were the known sources of organic compounds. With the advent of the Industrial Revolution in Europe, fossil fuels like coal and petroleum gained prominence as the sources of organic compounds, particularly hydroc..

When a rigid body such as a merry-go-round rotates around an axis, each particle in the body moves in its own circle around that axis. Since the body is rigid, all particles make one revolution in the same amount of time. i.e., they all have the same angular speed w..

In the Bohr model of the hydrogen atom the electron revolves around the nucleus in a path of radius 5.1 x 10 - 1 1 m at a frequency of 6.8 x 10 1 5 revolution per secon..

There are several varieties of rice available in the market. Similarly, there are many varieties of mangoes and brinjals. Each variety is unique in its colour, size, shape and taste. Thus, one type of plant has many varieties. A lot of research has gone into creating these varieties. They have been..

Varietal Improvement - There are several varieties of rice available in the market. Similarly, there are many varieties of mangoes and brinjal. Each variety is unique in its colour, size, shape and taste. Thus, one type of plant has many varieties. A lot of research has gone into creating these var..

Definite Integrals - Differentiation deals with the rate of change while integration deals with the total change. The definite integrals are evaluated in problems relating to plane, areas, areas and volumes of solid of revolution etc. In this chapter, we confine ourselves to properties of..

08. - In the Bohr model of the hydrogen atom the electron revolves around the nucleus in a path of radius 5.1 x 10 - 1 1 m at a frequency of 6.8 x 10 1 5 revolution per second. What is the value of magnetic field at the center of the orbi..

Sources of Hydrocarbons Until the early years of the nineteenth century, only the plants and animals were the known sources of organic compounds. With the advent of the Industrial Revolution in Europe, fossil fuels like coal and petroleum gained prominence as the sources of o..

Question: Who is the architect of green revolution in India? 1. M.S. Ramaiah 2. Aryabhatta 3. M.S. Swaminathan 4. Jawahar Lal Nehru Answer: ..